家里进了老鼠。“抓狂”几天后,它的踪迹消失了,我心想,兴许这家伙是偶然光顾我家的,所以也就偶然间走了。“是不是晚上窗户没关,垃圾没及时倒?”好像是。“是不是住一楼?”确实。“那迟早还得进老鼠!”呵欠连连里,同事言词凿凿。后来,事实证明同事说的没错。原来,老鼠来得既偶然也不偶然。常听学生说:上学迟到,因闹钟没响;作业没写,因为忘带作业本回家;值日没做,因劳动工具人间蒸发;考试没 Into the mouse at home. A few days later, it disappeared, I thought, perhaps this guy is by chance to visit my home, so it happened to go. “Is not the window closed at night, garbage did not fall in time?” “It seems. ”Did not live on the first floor? “ Indeed. ”Sooner or later have to enter the mouse!" Yawning again and again, my colleagues made a concise statement. Later, it turns out that my colleagues are right. It turned out that the mouse came by coincidence nor accidental. Often listen to students, said: go to school late, because the alarm did not sound; homework did not write, because forget homework home; value did not do, due to evaporation of working tools; examination did not